Table 4.

Reaction times (RTs) to “go” stimuli, error rates, and P3d amplitudes in nonrelapsers and relapsers, presented as means ± standard deviation

	Relapsers	Nonrelapsers	P-value
Go RTs (ms)	351 (42)	367 (68)	0.449
Omission error rates (%)	1.6 (2.9)	1.6 (1.5)	0.965
Commission error rates (%)	21.2 (12.2)	24.5 (12.8)	0.496
P3d (μV)	4.4 (3.1)	2.9 (3.2)	0.026*

Notes:

^*F_1,23=5.673, P=0.026; η²=0.198, observed power =0.626.